Question

x + y = 3
2x + 3y = 5
Metodo de reduccion

Answer 1

Respuesta:

$x + y = 3 \\ 2x + 3y = 5 \\ - 2(x + y) = 3 \\ - 2x - 2y = - 6 \\ 2x + 3y = 5 \\ 0 + y = - 1 \\ y = - 1 \\ x - 1 = 3 \\ x = 3 + 1 \\ x = 4$